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Mention that SHIFT updates _NARG

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Fixes #598
This commit is contained in:
ISSOtm
2020-10-11 02:13:30 +02:00
parent fd83d46ba0
commit 6a8ae643d5
1 changed files with 4 additions and 2 deletions
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6
src/asm/rgbasm.5
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@@ -978,7 +978,7 @@ The following symbols are defined by the assembler:
.It Ic EQU Ta Dv @ Ta PC value (essentially, the current memory address) .It Ic EQU Ta Dv @ Ta PC value (essentially, the current memory address)
.It Ic EQU Ta Dv _PI Ta Fixed point \[*p] .It Ic EQU Ta Dv _PI Ta Fixed point \[*p]
.It Ic SET Ta Dv _RS Ta _RS Counter .It Ic SET Ta Dv _RS Ta _RS Counter
.It Ic EQU Ta Dv _NARG Ta Number of arguments passed to macro .It Ic EQU Ta Dv _NARG Ta Number of arguments passed to macro, updated by Ic SHIFT
.It Ic EQU Ta Dv __LINE__ Ta The current line number .It Ic EQU Ta Dv __LINE__ Ta The current line number
.It Ic EQUS Ta Dv __FILE__ Ta The current filename .It Ic EQUS Ta Dv __FILE__ Ta The current filename
.It Ic EQUS Ta Dv __DATE__ Ta Today's date .It Ic EQUS Ta Dv __DATE__ Ta Today's date
@@ -1282,7 +1282,9 @@ is a special command only available in macros.
Very useful in Very useful in
.Ic REPT .Ic REPT
blocks. blocks.
It will shift the arguments by one to the left. It will shift the arguments by one to the left, and decrease
.Dv _NARG
by 1.
.Ic \[rs]1 .Ic \[rs]1
will get the value of will get the value of
.Ic \[rs]2 , \[rs]2 .Ic \[rs]2 , \[rs]2